The ECX-1637 is a surface mount crystal designed for wireless, cellular, and high-density applications, housed in a 2.0 x 1.6 x 0.45 mm ceramic package. It operates from 16.000 to 80.000 MHz in fundamental mode with a load capacitance of 8 pF and a maximum drive level of 100 μW. Frequency tolerance is ±50 ppm at +25°C and frequency stability is ±50 ppm over the operating temperature range of -20 to +70°C. Equivalent series resistance ranges from 50 Ω at 40.000 to 80.000 MHz to 100 Ω at 16.000 to 23.999 MHz. The device is RoHS compliant, has a storage temperature range of -40 to +85°C, and includes a first-year aging specification of ±5 ppm at +25°C. Pad connections are symmetrical with pins 1 and 3 interchangeable, and pin 2 and 4 are grounded.
ECS Inc.’s surface mount (SMD) crystals provide users with a solution that yields long-term stability and reliability for a myriad of applications. Surface mount capabilities allow your device to be packaged with the leads soldered directly to the pads of the circuit board surface. Supplied at both custom and standard frequencies, SMD crystals are ideal for applications such as: microprocessors, internet of things (IoT), including GPS systems and smart home security systems, automotive computers and components, wearable technologies, like smartwatches, Wi-Fi, connectivity and more.
40MHz ±10ppm Crystal 8pF 50 Ohms 4-SMD, No Lead
| ECS Inc. International | DigiKey | Acme Chip Technology Co., Limited | |
|---|---|---|---|
| Product Category | Crystals | Crystals | Crystals |
| Product Number | ECS-400-8-37CKM | XC1549TR-ND | ECS-400-8-37CKM |
| Product Name | Surface Mount Crystals | Crystals | Crystals |
| Package / Form Factor | Surface Mount | Surface Mount; 4-SMD, No Lead | Surface Mount; Surface Mount |
| Features / Standards | RoHS | Lead-Free | |
| Frequency | 40 MHz | 40 MHz | |
| Frequency Stability | 10 ppm | 10 ppm |
